Reciting Durood (Salawaat) is always highly recommended whenever the Prophet (SAWA) is mentioned. It is not enough to remember it in your heart, but we need to recite it. If the situation does not allow to say it loudly,then whisper it.
'Wassalam.
Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to religious questions. In the past, he has also spent significant time in India guiding the community.